Homework Help: Physics

Posted by Brianb on Tuesday, October 18, 2011 at 9:10am.

What size motor [W] is required to pump 12,000 gallons of water up a water tower (with a height of 25 ft.) in 25 minutes? The density of water is 1,000 kg/cubic meter.

Physics - drwls, Tuesday, October 18, 2011 at 9:19am
Convert gallons/min to kg/second.

Then multiply the kg/s pumping rate by g*(height). That will equal the rate potential energy is added to the water, in watts.

You should do the calculation.

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